六年级下册单元知识点 语法知识:英语动词4种时态:1、一般现在时:常与表示程度或频度的词连用,如:often(经常) , usually(通常,一般) , sometimes(有时) , always(总是,一直) , never(从不),表示经常性或习惯性的动作,表示现在的特征或状态,表示普遍真理。用动词原形表示,第三人称单数后,动词要在词尾加s(或es,或变y为i再加es)。如:I often get up at 7:00.He often gets up at 7:30.2、现在进行时:表示现在或现在这一阶段正在进行的动作。用am / is / are 加 动词ing形式表示,如: What are you doing? I am reading a book. What is he doing? He is singing.3、一般将来时:常与表示将来的时间连用,如:tomorrow , next week , next year 等,表示将要发生的动作或情况。用 am/ is/ are 加 going to形式表示,如:What are you going to do tomorrow? I’m going to ride a horse. 用will 加动词原形表示,如:What will you do next Sunday? I will go shopping. 用am/ is/ are 加动词ing 形式表示,如:What are you doing tomorrow? I’m going bowling.4、一般过去时:经常与表示过去的时间连用, 如: yesterday, last night等, 表示过去某时发生的动作或情况。动词要用动词的过去式。如:Who was first? Ken was first.Where were you yesterday? I was at home.What did you do yesterday? I went to school.形容词的比较级和最高级:1、单音节词:比较级加er, 最高级加est. 如:tall--taller-- the tallest,He is taller than his brother. Tom is the tallest in his class.2、多音节词和部分双音节词:比较级加more, 最高级加 the most. 如:interesting--more interesting--the most interesting,Music is interesting subject. P.E. is more interesting than music..Science is the most interesting subject.21教育网 形容词变为比较级的变化规则:(1)一般情况下,在形容词的词尾直接加er。如: tall—taller short—shorter.(2)以字母e结尾的形容词,在词尾直接加r,如:nice—nicer. late—later (3)以重读闭音节结尾,且结尾只有一个辅音字母的词,先双写这个辅音字母,再加er.如:big—bigger thin—thinner fat—fatter (4)以辅音字母加y结尾的双音节形容词,先变y为i , 再加er。如:easy—easier heavy—heavier funny—funnier.(2)、部分形容词比较级的不规则变化:good—better well—better bad—worse badly—worse many—more much—more little—less far—farther 动词ing的变化规律: 1)直接加ing ,如: open-opening, clean-cleaning, meet-meeting, sing-singing, study-studying, … 2) 去掉词尾不发音的e ,如:take-taking, close-closing, come-coming, drive-driving, have-having, use-using, write-writing, practice-practicing, … 3) 重读闭音节的,双写最后的字母,加 ing , 如: sit-sitting, put-putting, begin-beginning , get-getting, swim-swimming, run-running, cut-cutting, become-becoming, …【版权所有:21教育】 主语是第三人称单数时一般现在时动词的变化规律(与名词变复数规律相同): 1) 直接加s, 如:cook-cooks, come-comes, close-closes,… 2)以o, x, s, sh, ch 结尾+es , 如: teach-teaches, go-goes, do-does, catch-catches, wash-washes, brush-brushes, miss-misses, … 3) 辅音字母加y结尾,把y改为i ,+es, 如:fly-flies, worry-worries, carry-carries, … 4) 以f或fe结尾,把f或fe,改为v+es. 5) 特殊:have-has, … 6)家庭、亲属和朋友:姓名、年龄、地址、特点与爱好:与你的关系 words: family, grandfathe ... ...
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